Endorphin Speed 4 - Black (M) Size:10.5 They are custom-designed from the

They are custom-designed from the outsole to the exquisite wingtips to empower every step you take—from work to play—with all-day comfort

women’s-specific mesh ventilation zones

with room for your toes and a secure midfoot for natural movement

The primary LED kicks out a crisp 115 lumen spotlight

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Endorphin Speed 4 - Black (M) Size:10.5 They are custom-designed from theWe're all seeking relationships that go the distance. The Endorphin Speed 4 running shoe is here to fill the role. Designed as a race day shoe, its quickly proven itself much more, equally capable during long, moderate training sessions and sprints to the finish. Thanks to the just right combination of winged nylon plate, SPEEDROLL technology and PWWRUN PB foam, this cushioned running shoe provides the perfect balance of support, rebound and